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93 Wyatt 24" project

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93 Wyatt 24" project

Postby Redyota67 » Thu Mar 15, 2018 8:11 am

Just picked up my first Jet. It's a 93 Wyatt Water Boats 24" with a 380 hp redline 460 and an American Turbine. I'm not quite sure which model pump, but it is factory painted black and it looks like a 309. I pulled it apart and it has a AA impeller.

The boat is a 2 owner and retired doctor that i bought it from has owned it since 96. The 460 runs, but needs a good tune up and i think it has the wrong carb on it. Its a 600 cfm vac secondary holley. The good doctor wasn't very mechanical so there was a bunch of stuff not working on the boat. Blower, nav lights, horn, radio ect. I was able to get every thing working but the horn and the heater before I ran out of town and had to get back to work in the oilfield.

First on the agenda is a good cleaning and tuning the 460 up. It also is gaining water in the bilge and I can't seem to figure out from where. It isn't coming from where the pump goes through the transom or the pump itself, so when I get home the plan is to full the bilge with water and where water comes out it must come in. Anything you can tell me about the pump would be awesome!
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Re: 93 Wyatt 24" project

Postby fuzzyzuk » Thu Mar 15, 2018 4:30 pm

sweet boat! the 600 should run your 460 just fine aslong as its not built right up! i have a 750 vac secondary fueling my 509 chev (600 plus horse) that being said im going to change over to a throttle body injection system :Drink:
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Re: 93 Wyatt 24" project

Postby viking » Thu Mar 15, 2018 6:44 pm

Your carb is standard for that engine.
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Re: 93 Wyatt 24" project

Postby cbc7 » Fri Mar 16, 2018 9:47 am

Your pump is an AT 309.
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Re: 93 Wyatt 24" project

Postby Redyota67 » Fri Mar 16, 2018 2:46 pm

Viking, would i gain anything by going to a higher cfm, or a TBI EFI? As far as I know it's a stock motor with a Torker 2...
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Re: 93 Wyatt 24" project

Postby viking » Fri Mar 16, 2018 3:12 pm

I did the math some years ago but forget the details. At 4,000 RPM a 460 is sucking far less than 600 cfm through the carb. So the size is good. (Some will argue whether the Holley is a good choice. I read good and bad about everything. Clear float bowls might be nice.) You can get a new marine replacement online. (Search on "Marine Holley 4160 for Ford 460".) Rebuild kits are available at O'Reilly, but typically have the small accelerator pump diaphragm appropriate to a 351. My understanding is "marine" means the overflow tubes turn down into the carb to prevent spill into bilge.

I don't know whether throttle body fuel injection will help performance. I've never compared. But odds are good.

All carbed engines have a disadvantage with exhaust below the water line. When you shut the engine off, the engine spins down and continues sucking fuel through the cylinders and into the exhaust manifolds. This creates a perfect fuel/air mixture in your exhaust. And it is hot. If the engine should decide to diesel, it can be fueled from the exhaust and run backwards for a few cycles. This will suck water into the engine. To avoid this, always turn the engine off after allowing it to idle/cool for a while. It is suggested that to clear a stick from the pump, you can back into current, then shut the engine off and let the current maybe clear the stick. This is great with fuel injection because fuel stops with the ignition. However, with a carb there's the risk of hydro-lock, so it's not a great idea.

Anyway, I'd give fuel injection serious consideration, but only if it has good reliability reviews.
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Re: 93 Wyatt 24" project

Postby smitty » Fri Mar 16, 2018 4:10 pm

Here is the carb I have on my 460 with Edelbrock manifold
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Re: reading water: "I use a completely different method.. When I get high centered I don't go that way again. " - bigcat_ak
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Re: 93 Wyatt 24" project

Postby smitty » Fri Mar 16, 2018 4:14 pm

I have the 750 cfm version, here is a link to the mfr. info.

http://www.edelbrock.com/automotive/mc/ ... rine.shtml

No complaints.... but if you get one:

- take out the phillips head screws in the choke adjuster
- throw them away
- get allen head screws for that sub-assembly
- live happily ever after
Re: reading water: "I use a completely different method.. When I get high centered I don't go that way again. " - bigcat_ak
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Re: 93 Wyatt 24" project

Postby Redyota67 » Fri Apr 06, 2018 9:03 pm

Did some damage today...
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Re: 93 Wyatt 24" project

Postby Benny » Fri Apr 06, 2018 9:10 pm

You washed with alumabrite??? Looks great! Nasty stuff tho.
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Re: 93 Wyatt 24" project

Postby wooldridge1 » Fri Apr 06, 2018 9:20 pm

looks nice and clean good job.

Joe
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Re: 93 Wyatt 24" project

Postby Redyota67 » Fri Apr 06, 2018 11:55 pm

I stripped the paint and vinyl off the hull as it was so beat up it couldn't be saved. First round of alumabrite didn't work out so well. At some point in the past it looks like it had been sprayed with clearcoat and about 90 percent of it had worn off. Ended up sanding it with 120, 240 and 320. Final wash with alumabrite.
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Re: 93 Wyatt 24" project

Postby Benny » Sat Apr 07, 2018 7:07 am

Wow ! Nice job , but lots of work.
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Re: 93 Wyatt 24" project

Postby tnairn » Sat Apr 07, 2018 10:06 am

Nice work on a 24' boat that is a lot of surphace
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Re: 93 Wyatt 24" project

Postby Penguin » Sat Apr 07, 2018 1:31 pm

Did you sand it by hand, or with a DA air sander, or what?
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Re: 93 Wyatt 24" project

Postby Ahusk » Sun Apr 08, 2018 9:39 am

The overall difference in the look of the boat is amazing. Nice work.
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Re: 93 Wyatt 24" project

Postby Monkey Butt » Tue Apr 10, 2018 8:53 pm

Nice!!!
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Re: 93 Wyatt 24" project

Postby Redyota67 » Wed Apr 11, 2018 7:44 am

I used a 4.5 inch electric DA. I did experiment going up to 800 grit and it looks way better. I have a 7 inch 3000 RPM DA that I may try and do the whole hull with. I got called back to the oilfield early so it will have to wait. Boat just got a new 1/4 top out on by Extreme Covers in Boise. I'll drop a pic as soon as my wife sends me one.
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Re: 93 Wyatt 24" project

Postby Redyota67 » Wed Apr 11, 2018 5:42 pm

New top... crappy pic. Still waiting on better pictures...
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Re: 93 Wyatt 24" project

Postby wooldridge1 » Wed Apr 11, 2018 6:24 pm

I think the boat looks sharp. I have always liked the look of less paint and vinyl on a Jet boat.

Joe
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